01 -
Line 8x8 pan with parchment. Cover bottom and sides.
02 -
Mix chocolate, milk, butter, and peppermint extract. Microwave for 30 seconds, stir, and repeat until melted.
03 -
Put 1/2 cup of the mixture into a bowl and add red coloring. Put another 1/2 cup into a bowl and add green coloring. Stir each quickly.
04 -
Dollop each color into the pan. Swirl with a knife. Add sprinkles if desired.
05 -
Chill in the refrigerator for at least 2 hours.